What is Human IgG 4?
It is a subclass of IgG, it is the most common form of immunoglobulin. IgG accounts for 73-75% of antibodies in the blood, it is an essential part of the secondary immune response to toxins and infection.
What is the Human IgG 4 Lab test?
This test is to evaluate sinopulmonary infections (diseases that affect both the paranasal sinuses and the lower respiratory tract), asthma, and to evaluate allergies.
WHY GET TESTED?
To diagnose and evaluate sinopulmonary infections (diseases that affect both the paranasal sinuses and the lower respiratory tract), asthma, and allergies.
WHEN TO GET TESTED?
Get tested when the recurrent bacterial infections or allergy appears.
If my family suffers from allergies, is it possible for me to get the allergies?
Usually allergies run in the family but it’s not necessary for everyone to get it.
Is high IgG serious?
High levels of IgG may mean a long-term chronic infection.
How do you treat high IgG levels?
By treating the underlying infections, diseases and immune disorders.
Can low IgG levels cause fatigue?
Fatigue has been reported in many cases.
Elevated serum IgG4 (>135 mg/dL)
To diagnose and evaluate sinopulmonary infections (diseases that affect both the paranasal sinuses and the lower respiratory tract), asthma, and allergies.
